[dmd-internals] Casting string literal to static array

[Daniel Murphy]

In test23.d, there is this:


void test25()
{
  char[6] cstr = "123456"c;
  auto str1 = cast(wchar[3])(cstr);

  writefln("str1: ", (cast(char[])str1).length , " : ", (cast(char[])str1));
  assert(cast(char[])str1 == "123456"c);

  auto str2 = cast(wchar[3])("789abc"c);
  writefln("str2: ", (cast(char[])str2).length , " : ",
(cast(char[])str2));
  assert(cast(char[])str2 == "789abc"c);

  auto str3 = cast(wchar[3])("defghi");
  writefln("str3: ", (cast(char[])str3).length , " : ",
(cast(char[])str3));
  assert(cast(char[])str3 == "d\000e\000f\000"c);
}

I'm not sure we should allow the cast from "789abc"c to wchar[3].

I think if you want this behavior you should have to do
`cast(wchar[3])cast(char[6])"789abc"`.

Thoughts?
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